Although a specific length of time and experience is not required for most trade and labor occupations, you must show through experience and training that you possess the quality level of knowledge and skill necessary to perform the duties of the position at the level for which you are applying. Qualification requirements emphasis is on quality of experience, not necessarily the length of time. Your qualifications will be evaluated on the basis of your level of knowledge, skills, abilities and/or competencies in the job elements and screen out listed below. This job has a screen-out element which will be used to determine minimum eligibility for this job. Applicants who do not receive a minimum of two points on the screen-out element(s) will be found ineligible. The Screen-out Element for this position is:Ability To Do The Work Of The Position Without More Than Normal Supervision: Experience performing the most difficult and complex tasks including estimating weight and center of gravity of an item to be moved; working in crane teams to provide safe operation; providing direction to crane operators for safe and effective movement; installing beam clamps, gin poles, and other supporting structures; fabricating and repairing rigging apparatus such as slicing wire rope, making poured metallic splices, and installing thimbles; inspecting and testing ordnance handling equipment and general purpose rigging equipment. Experience performing the full range of tasks including providing direction to crane operators for safe and effective movement; assisting the crane team during lifting and handling operations; inspecting rigging gear to include wire rope, chain falls, shackles, turnbuckles and other rigging gear. Experience performing some tasks including inspecting rigging gear to include wire rope, chain falls, shackles, turnbuckles and other rigging gear. Applicants must meet the requirements of the Office of Personnel Management (OPM) Job Qualification Handbook for Trades and Labor Occupations. Additional qualification information can be found at: https://www.opm.gov/policy-data-oversight/classification-qualifications/federal-wage-system-qualifications/#url=List-of-Approved-Job-Elements Experience refers to paid and unpaid experience, including volunteer work done through National Service programs (e.g., professional, philanthropic, religious, spiritual, community, student, social). Volunteer work helps build critical competencies, knowledge, and skills and can provide valuable training and experience that translates directly to paid employment.